Backing pad



FIG. 1 is a perspective view of a backing pad showing my new design;

FIG. 2 is a bottom-side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is an opposing side elevation view thereof; and,

FIG. 6 is a bottom plan view thereof.

CLAIM The ornamental design for a backing pad, as shown and described.